The choice between HDMI and mini HDMI depends on the devices you're using and the available ports, rather than one being inherently "better" than the other. Here are some key differences:

1. Size and Port Compatibility

HDMI: Standard HDMI (Type A) is the full-sized version of the connector, typically used on TVs, monitors, laptops, desktops, and other larger devices.

Mini HDMI (Type C): A smaller version of HDMI, often found on portable devices like tablets, cameras, and some ultrabooks.

Better for portability: Mini HDMI is useful when you need a smaller connector for compact devices, but it requires an adapter or a specific cable to connect to a standard HDMI port.

2. Performance

HDMI (full-sized or mini) supports the same performance when they are both using the same HDMI version (e.g., HDMI 2.0 or 2.1). The video/audio quality doesn't differ between the two; it’s just the physical size and use case.

Both can carry 4K video, audio, and other signals if they support the same version of HDMI.

3. Durability

Mini HDMI might be a little less durable in the long run because the smaller connectors can wear out more easily if not handled carefully, but the difference is generally negligible.

4. Compatibility

Standard HDMI is more commonly used and easier to connect to because it's found on most displays, TVs, monitors, and gaming consoles.

Mini HDMI often requires adapters to be used with standard HDMI ports (unless the device has a mini HDMI input/output).

Conclusion:

Choose Standard HDMI if you're dealing with regular-sized ports on your TV, desktop, or most entertainment devices.

Choose Mini HDMI if you're dealing with smaller or portable devices, like a camera or tablet, and need a compact connector.

In general, standard HDMI is more common, and it's usually more convenient because you won't need adapters, but mini HDMI is a great option when size and portability are the main concerns.